OpenTechnical

OT-2026-000049301

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000049301) never changes.

Identity and time

Publication numberOT-2026-000049301 · never reused
Internal UUID01a0ae81-1350-7bd3-a5f9-bec95c44b0f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049301
StatusPUBLIC

Content hashes

Canonical textfee96d5a40d1211e3d35ba7e1b6084a7440d3f0a8a9a87fc08aa2ffa3e9fb7a1
Markdown135091aaead13dfb76e3013a17397cbebafa752b99cadd77541f15d652da9e4c
PDF
Publication page14c398e4a868dd744d8beea33b4a23b778653690c65668638b84fa87c7926ada
Manifest94204d212ddc62d4aab38a891b23c8b5aae8291110c8c5497d02bf678ccb6934

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXByC+9XluV/hdPx1gVZW7ePxuZkmQXMniGYyy7H17VSHTfFKLG2MQUC4mStGYmip0NFuRXeDmOzeSFfWSJmxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:09.944227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049301
observed 14c398e4a868dd744d8beea33b4a23b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.924996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049301/manifest.json
observed 94204d212ddc62d4aab38a891b23c8b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.905543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049301/publication.md
observed 135091aaead13dfb76e3013a17397cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.885480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049301/publication.txt
observed fee96d5a40d1211e3d35ba7e1b6084a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.